Casing for a vacuum cleaner



FIG. 1 is a top front perspective view of the casing for a vacuum cleaner, showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and

FIG. 7 is a bottom view thereof.

The broken line disclosure of the bag elements in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a casing for a vacuum cleaner, substantially as shown and described. 